Finding the Fourth Proportional to 1,815,090.98, 2,504,730.44 and 999,135.28
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Solution
The fourth proportional to 1,815,090.98, 2,504,730.44 and 999,135.28 is: 1,378,754.33
Step by Step Solution
- Step 1: Write the proportion equation
1,815,090.98 : 2,504,730.44 = 999,135.28 : x - Step 2: Convert to fraction form
1,815,090.98/2,504,730.44 = 999,135.28/x - Step 3: Cross multiply
1,815,090.98x = 2,504,730.44 × 999,135.28 - Step 4: Simplify right side
1,815,090.98x = 2,502,564,549,493.92 - Step 5: Solve for x
x = 2,502,564,549,493.92/1,815,090.98 - Step 6: Final answer
x = 1,378,754.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.